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SubjectRe: [PATCH v5 1/2] memory_hotplug: Free pages as higher order
On Fri, Oct 05, 2018 at 01:40:05PM +0530, Arun KS wrote:
> When free pages are done with higher order, time spend on
> coalescing pages by buddy allocator can be reduced. With
> section size of 256MB, hot add latency of a single section
> shows improvement from 50-60 ms to less than 1 ms, hence
> improving the hot add latency by 60%. Modify external
> providers of online callback to align with the change.

Hi Arun, out of curiosity:

could you please explain how exactly did you mesure the speed

Oscar Salvador

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